Hello,
I have installed GHC and cygwin on windows XP and I am trying to build the
unix package (required to install HApps)
** When I use .../ghc/gcc as c compiler I receive the following error during
the configure*
D:\temp\haskell\unix-2.3.0.0runhaskell Setup configure --ghc
Those headers simply do not exist under windows. There's a reason it's
called 'Unix' :P
Perhaps mingw32 or cygwin could help, as those packages make an
attempt at emulating (so to speak) the unix environment.
On 08/09/2008, at 17:06, jean-christophe mincke [EMAIL PROTECTED]
wrote:
It's up ( I think, since it's my first cabal ).
cabal install panda
kibro new ttmyblog
cd myblog
rm -r db; rm -r public
git clone git://github.com/nfjinjing/panda-template.git db
sh db/scripts/bootstrap.sh
kibro start
On Sun, Sep 7, 2008 at 4:26 AM, Don Stewart
I want to set up some kind of mailing list for reactive (which I plan to
release soon). The most obvious thing is to set up a mailman-based list on
haskell.org, but I wonder -- do people really want to keep using mailman
technology? Or something more modern like Yahoo or Google groups.
I use my
On Monday 08 September 2008 14:33:47 Conal Elliott wrote:
I want to set up some kind of mailing list for reactive (which I
plan to release soon). The most obvious thing is to set up a
mailman-based list on haskell.org, but I wonder -- do people really
want to keep using mailman technology?
We (Gamr7, see at the bottom) are looking from a senior dev/Technical
director.
We don't really care about the title but we want someone good (who
doesn't ?).
We need someone able to model *and* code well (No architect who never
codes).
The ability to communicate well with a team is also a
I would call Yahoo and Google groups a major step backwards from mailman.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Conal Elliott
Sent: 08 September 2008 11:34
To: Haskell Café
Subject: [Haskell-cafe] mailing list choices?
I want to set up
gmane is indeed a nifty complement to mailman, making mailman more appealing
to me. I especially like the variety of interfaces. Thanks, Alexey. - Conal
On Mon, Sep 8, 2008 at 12:42 PM, Alexey Beshenov [EMAIL PROTECTED] wrote:
On Monday 08 September 2008 14:33:47 Conal Elliott wrote:
I want
The Yahoo mailing list server is notoriously unreliable and randomly
drops mails and/or drops people from lists because their email server
was temporarily refusing mails (4xx SMTP responses not 5xx). I also find
the Yahoo groups web interface absolutely awful; mailman's list archives
aren't great,
The Yahoo mailing list server is notoriously unreliable and randomly drops
mails and/or drops people from lists because their email server was
temporarily refusing mails (4xx SMTP responses not 5xx). I also find the
Yahoo groups web interface absolutely awful; mailman's list archives aren't
In what ways?
2008/9/8 Sittampalam, Ganesh [EMAIL PROTECTED]
I would call Yahoo and Google groups a major step backwards from mailman.
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Mario Bla??evi?? [EMAIL PROTECTED] wrote in article [EMAIL PROTECTED] in
gmane.comp.lang.haskell.cafe:
I'm trying to apply the nested regions (as in Lightweight Monadic
Regions by Oleg Kiselyov and Chung-chieh Shan) design pattern, if
that's the proper term, in hope to gain a bit more type
Hello Pierre-Edouard,
Is there a way to generate a data model and a set of picklers from an XML (or
RelaxNG) Schema using the HXT tool box?
the generation of a DTD out of the picklers is in an experimental stage.
The generation of a RelaxNG Schema is technically possible, but it's an
open
Hi,
Is there something like a fmapM_ ?
In particular, I'd like to mapM_ a Data.IntMap instead of a List
Thank you,
Thu
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I suppose a
mapM_ monadicFunction . Data.IntMap.toList $ m
doesn't work for you?
On Mon, Sep 8, 2008 at 2:11 PM, minh thu [EMAIL PROTECTED] wrote:
Hi,
Is there something like a fmapM_ ?
In particular, I'd like to mapM_ a Data.IntMap instead of a List
Thank you,
Thu
2008/9/8 minh thu [EMAIL PROTECTED]:
Hi,
Is there something like a fmapM_ ?
In particular, I'd like to mapM_ a Data.IntMap instead of a List
The Traversable class (from Data.Traversable) includes a mapM function.
Unfortunately Data.IntMap don't provide an instance for IntMap (though
Data.Map
As some of you on this list may know, I have struggled to understand
concurrency, on and off for many years, but primarily in the C++ and
Java domains. As time has passed and experience has stacked up, I have
become more convinced that while the world runs in parallel, we think
sequentially and so
Hi Bruce,
On Mon, Sep 8, 2008 at 21:33, Bruce Eckel [EMAIL PROTECTED] wrote:
I know that both Haskell and Erlang only allow separated memory spaces
with message passing between processes, and they seem to be able to
solve a large range of problems -- but are there problems that they
cannot
2008/9/8 Jefferson Heard [EMAIL PROTECTED]:
I suppose a
mapM_ monadicFunction . Data.IntMap.toList $ m
doesn't work for you?
Well, that's what I use (IntMap.elems in fact), but isn't there some
perfromance lost ?
Thu
On Mon, Sep 8, 2008 at 2:11 PM, minh thu [EMAIL PROTECTED] wrote:
Hi,
Depending on definitions and how much we want to be concerned with
distributed systems,
I believe either model can be used to emulate the other (though it is
harder to emulate the possible
pitfalls of shared memory with CSP).
To me, it seems somewhat similar to garbage collection vs manually
Hi,
Is it possible to use foreign function
interface with STMs? If so, where can I
find examples?
Thanks,
Maurício
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On Mon, Sep 08, 2008 at 08:56:26PM +0200, Chaddaï Fouché wrote:
Unfortunately Data.IntMap don't provide an instance for IntMap (though
Data.Map does for Map).
It was an oversight. The instance is straightforward:
instance Traversable IntMap where
traverse _ Nil = pure Nil
traverse f
But the unix package isn't actually required to build HAppS on Windows.
If you remove the dependency from the .cabal file (and also remove the
-DUNIX build option) then you'll be fine.
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Hi,
I just noticed that hackage has introduced a new policy to disallow
changes to a package without bumping the version. I understand that
this is probably a good idea for changes to the source code, but it
really would be nice to have a backdoor that allows for other changes.
For example, I
Posting to cafe since I got just one reply on [EMAIL PROTECTED] I was suggested
to include more SCC annotations, but that didn't help. The 'serialize'
function is still reported to consume about 32% of running time, 29%
inherited. However, functions called from it only account for about 3%
of
Hi,
I'm trying to profile my haskell code (see thread profiling in
haskell) and to get more insight I made GHC produce the haskell Core
code. However, I'm not quite sure how to interpret it, is there a
definition (quick search didn't reveal one)?
Also, how do I demangle the names? It seems
Vlad Skvortsov wrote:
Also, how do I demangle the names? It seems that, for example,
'base:GHC.Base.ZC' is a (:) function on strings, but where how am I
supposed to figure that out?
#!/usr/bin/perl
# Written by Ashley Yakeley 2003
# All rights to the public
while ()
{
s/_/ /g;
On Tue, 09 Sep 2008 07:33:24 Bruce Eckel wrote:
I know that both Haskell and Erlang only allow separated memory spaces
with message passing between processes, and they seem to be able to
solve a large range of problems -- but are there problems that they
cannot solve? I recently listened to an
On 2008 Sep 8, at 21:00, Timothy Goddard wrote:
I am not a mathematician, I can't prove it, but I can't think of
circumstances
where I would need to put mutable references in a data structure
except where
the language and compiler can't handle immutable structures
efficiently.
The status
In type section of the Gentle Introduction to Haskell
http://www.cs.sfu.ca/CC/SW/Haskell/hugs/tutorial-1.4-html/moretypes.htmlthere
is this example:
data Point = Pt {pointx, pointy :: Float}
abs (Pt {pointx = x, pointy = y}) = sqrt (x*x + y+y)
Why is it pointx=x and not x=pointx?
--
abs (Pt {pointx = x, pointy = y}) = sqrt (x*x + y+y)
Why is it pointx=x and not x=pointx?
Your intuition is probably telling you that this
is something like:
abs (point) = sqrt (x*x+y*y)
where {x=pointx point ; y=pointy point}
Actually, it's an example of pattern matching:
abs
I think the demonstration is in Hoare's book on co-operating
sequential processes, but if you have pure processes and
message passing, you can simulate conventional variables.
Here's an Erlang version:
variable_loop(State) -
receive
{ask,Sender} - Sender!{self(),State},
On 9 Sep 2008, at 8:15 am, Kyle Consalus wrote:
Anyway, for the time being I believe there are operations that can be
done with shared memory
that can't be done with message passing if we make good performance
a requirement.
One of our people here has been working on Distributed Shared
briqueabraque:
Hi,
Is it possible to use foreign function
interface with STMs? If so, where can I
find examples?
Defintely possible. FFI functions are imported as normal functions, so
use them wherever the types fit.
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Welcome to the community!
I've added details about Gamr7 to the industry page,
http://haskell.org/haskellwiki/Haskell_in_industry
-- Don
lionel:
We (Gamr7, see at the bottom) are looking from a senior dev/Technical
director.
We don't really care about the title but we want someone
And for those who didn't see the original release announcement, check
out their website..
http://gamr7.com/
That's kind of awesome. Could you say more about what you're using
Haskell for, Lionel?
-- Don
dons:
Welcome to the community!
I've added details about Gamr7 to the industry
Thanks.
Pattern matching and memory management in Haskell (or may be GHC
implementation of it) is somewhat of a mystery to me. Are there any
references that explains the underlying implementation?
Daryoush
On Mon, Sep 8, 2008 at 6:37 PM, Mauricio [EMAIL PROTECTED] wrote:
abs (Pt {pointx
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